Source-backed diagnostic reference

P1478 EV diagnostic code

Battery Temp Sensor Voltage Out Of Limit

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

DODGE: Battery Temp Sensor Voltage Out Of Limit Source
JEEP: Battery Temp Sensor Voltage Out Of Limit Source
OTHER: Cooling Fan Driver Fault Source
VOLKSWAGEN: EVAP Emission Control System LDP Clamped Tube Detected Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.